Domain Trust Discovery Via Dsquery — Sigma Rule

Rule metadata and linked tags

Author: E.M. Anhaus, Tony Lambert, oscd.community, omkar72. Source status: test; severity: medium. Source dates: 2019-10-24 / 2023-02-02.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: c297d3aee9f4d99e4ec4185392cf231c32795b547f9501c2c5a82c7642427ab6

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Domain Trust Discovery Via Dsquery
id: 3bad990e-4848-4a78-9530-b427d854aac0
related:
    - id: b23fcb74-b1cb-4ff7-a31d-bfe2a7ba453b
      type: similar
    - id: 77815820-246c-47b8-9741-e0def3f57308
      type: obsolete
status: test
description: Detects execution of "dsquery.exe" for domain trust discovery
references:
    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1482/T1482.md
    - https://posts.specterops.io/an-introduction-to-manual-active-directory-querying-with-dsquery-and-ldapsearch-84943c13d7eb?gi=41b97a644843
author: E.M. Anhaus, Tony Lambert, oscd.community, omkar72
date: 2019-10-24
modified: 2023-02-02
tags:
    - attack.discovery
    - attack.t1482
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\dsquery.exe'
        - OriginalFileName: 'dsquery.exe'
    selection_cli:
        CommandLine|contains: 'trustedDomain'
    condition: all of selection_*
falsepositives:
    - Legitimate use of the utilities by legitimate user for legitimate reason
level: medium
regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_dsquery_domain_trust_discovery/info.yml
simulation:
    - type: atomic-red-team
      name: Windows - Discover domain trusts with dsquery
      technique: T1482
      atomic_guid: 4700a710-c821-4e17-a3ec-9e4c81d6845f

Original YAML and metadata in JSON

False positives

• Legitimate use of the utilities by legitimate user for legitimate reason

Source references

• https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1482/T1482.md
• https://posts.specterops.io/an-introduction-to-manual-active-directory-querying-with-dsquery-and-ldapsearch-84943c13d7eb?gi=41b97a644843